MAX6704 - 低电压、SOT23封装、微处理器监控电路，带有电源失效检测输入/输出、手动复位及看门狗定时器

MAX6704是Maxim美信半导体公司的一款监控电路、电压监测、排序产品，MAX6704是低电压、SOT23封装、微处理器监控电路，带有电源失效检测输入/输出、手动复位及看门狗定时器，本站介绍了MAX6704的封装应用图解、特点和优点、功能等，并给出了与MAX6704相关的Maxim元器件型号供参考。

MAX6704 - 低电压、SOT23封装、微处理器监控电路，带有电源失效检测输入/输出、手动复位及看门狗定时器 - 监控电路、电压监测、排序 - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

The MAX6701—MAX6708 microprocessor (µP) supervisory circuits reduce the complexity and components required to monitor power-supply functions in µP systems. These devices significantly improve system reliability and accuracy compared to separate ICs or discrete components.

The MAX6701—MAX6708 family provides four functions: a reset output during power-up, power-down, and brownout conditions; an independent watchdog output that goes low if the watchdog input has not been toggled within 1.6s; a 0.62V threshold detector for power-fail warning; and an active-low manual reset input.

The MAX6701—MAX6708 family offers several pinout options to accommodate a variety of multivoltage microprocessor supervision applications.

The MAX6701(A)/MAX6702(A)/MAX6703(A) monitor three supply voltages (one fixed threshold and two adjustable) to drive a single reset output and include a manual reset input and a watchdog timer with an independent output. The MAX6704 monitors a single-supply voltage to drive complementary reset outputs and includes an independent adjustable power-fail-in/power-fail-out comparator, a manual reset input, and a reset-based watchdog timer. The MAX6705(A)/MAX6706(A)/MAX6707(A) monitor a single-supply voltage to drive a single reset output and include an independent adjustable power-fail-in/power-fail-out comparator, a manual reset input, and a watchdog timer with an independent output. The MAX6708 is the same as the MAX6704 but without the watchdog timer function.

See the Detailed Description for differences between non-A and A versions.

关键特性

以下关键特性由Maxim美信半导体提供：

Small 8-Pin SOT23 Package

Precision Monitoring of +5.0V, +3.3V, +3.0V, +2.5V Supply Voltages

140ms Reset Timeout Delay

Power-Fail Input with Independent Output; Monitor Inputs Down to 0.62V (MAX6704—MAX6708)

Dual Adjustable Reset Input for Triple-Voltage Monitoring (MAX6701(A)/MAX6702(A)/MAX6703(A))

1.6s Watchdog Timeout Period (MAX6701(A)—MAX6707(A))

Independent Watchdog Output (MAX6701(A)/MAX6702(A)/MAX6703(A)/MAX6705(A)/MAX6706(A)/MAX6707(A))

Manual Reset Input

Four Reset Output Stage Options

Active Low Push-Pull (MAX6701(A), MAX6705(A))

Active Low Open Drain (MAX6703(A), MAX6707(A))

Active High Push-Pull (MAX6702(A), MAX6706(A))

Dual Active Low/High Push-Pull (MAX6704, MAX6708)

Guaranteed Reset Valid to VCC = 1V

Immune to Short Falling VCC Transients

Low Cost, Few External Components

热门应用

计算机

控制器

精确的µP电源监控

智能仪表

网络

电信

白色家电

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